﻿using Abp.Application.Services.Dto;
using Common.Security;
using Ecommerce.DTO;
using Ecommerce.tbCommodity;
using Ecommerce.tbUser;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Volo.Abp.Application.Services;
using Volo.Abp.Domain.Repositories;




namespace Ecommerce
{
    public class CommodityInfoMySelfService:ApplicationService,IMySelfInTerFace
    {
        private readonly IRepository<tbCommodityInfo, Guid> _tbCommodityInfos;
        private readonly IRepository<tbCommodityInfoImg,Guid> _tbCommodityInfoImgs;
        public CommodityInfoMySelfService(IRepository<tbCommodityInfo,Guid> tbCommodityInfos,
        IRepository<tbCommodityInfoImg, Guid> tbCommodityInfoImgs)
        {
            _tbCommodityInfos = tbCommodityInfos;
            _tbCommodityInfoImgs = tbCommodityInfoImgs;
        }
        /// <summary>
        /// 批量添加图片信息
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        public async Task<int> AddImg(CreateUpdatetbCommodityImgDto dto)
        {
            try
            {
                List<tbCommodityInfoImg> listss = new List<tbCommodityInfoImg>();
                foreach (var item in dto.imglist)
                {
                    listss.Add(new tbCommodityInfoImg { PhotoUrl = item, ForeignKeyId = dto.ForeignKeyId, TypeId = dto.TypeId });
                    //var infor = await _tbCommodityInfoImgs.InsertAsync(ObjectMapper.Map<CreateUpdatetbCommodityImgDto, tbCommodityInfoImg>(dto));
                }
                await _tbCommodityInfoImgs.InsertManyAsync(listss);
                return 1;
            }
            catch (Exception)
            {

                return 0;
            }
        }

       
        /// <summary>
        /// 显示测试
        /// </summary>
        /// <returns></returns>
        public List<tbCommodityInfoDto> GetList()
        {
            var list = _tbCommodityInfos.ToList();
            return ObjectMapper.Map<List<tbCommodityInfo>,List<tbCommodityInfoDto>>(list);
        }

        /// <summary>
        /// 两表联查显示
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public List<tbCommodityDisplayDto> Show()
        {
            var list = (from info in _tbCommodityInfos
                       join img in _tbCommodityInfoImgs
                       on (info.Id).ToString() equals img.ForeignKeyId
                       select new tbCommodityDisplayDto()
                       {
                           CommodityName=info.CommodityName,//商品名称
                           CommoditySubtitle =info.CommoditySubtitle,//商品副标题
                           CommoditySalePrice =info.CommoditySalePrice,//销售价格(原价）
                           CommodiSPromotion =info.CommodiSPromotion,//促销价格（商城价）
                           CommodityWeight =info.CommodityWeight,//重量（KG）
                           CommodityAttrName =info.CommodityAttrName,//商品属性
                           CommodTypeId =info.CommodTypeId,//商品类型ID
                           CommodityDescription =info.CommodityDescription,//商品详情描述（富文本编辑器填写）
                           CommodityBarCode =info.CommodityBarCode,//商品条形码
                           CommodityFreight =info.CommodityFreight,//是否包邮
                           CommodityDetails =info.CommodityDetails,//商品详情（富文本）
                           ForeignKeyId =img.ForeignKeyId,//商品外键
                           CommoditySaleNum=info.CommoditySaleNum,//商品已售数量
                           Id = info.Id,//主键
                           PhotoUrl=img.PhotoUrl,//图片路径
                           TypeId = img.TypeId//图片类型

                       }).ToList();
            var query = list.GroupBy(t => new { t.CommodityName, t.Id }).Select(t => t.FirstOrDefault()).ToList();
            return query;
        }


        /// <summary>
        /// 上传文件
        /// </summary>
        /// <param name="file"></param>
        /// <returns></returns>
        public string Upload(IFormFile file)
        {
            string rootdir = AppContext.BaseDirectory.Split(@"\Bin\")[0];
            string fname = DateTime.Now.ToString("yyyyMMddHHmmssffff") + System.IO.Path.GetExtension(file.FileName);
            var path = rootdir + @"\Upload\" + fname;
            using (System.IO.FileStream fs = System.IO.File.Create(path))
            {
                file.CopyTo(fs);
                fs.Flush();//清空文件流
            }
            //生成其他规格缩略图
            //生成200*200的
            //源图路径（物理路径）
            var originalImagePath = path;
            //缩略图路径（物理路径）
            var thumbnailPath = rootdir + @"\Upload\" + fname + "_200x200.jpg";
            //调用生成缩略图方法
            MakeThumbnail(originalImagePath, thumbnailPath, 200, 200, "HW");
            //生成400*400的
            //源图路径（物理路径）
            //缩略图路径（物理路径）
            thumbnailPath = rootdir + @"\Upload\" + fname + "_400x400.jpg";
            //调用生成缩略图方法
            MakeThumbnail(originalImagePath, thumbnailPath, 400, 400, "HW");
            return "http://localhost:8016/" + fname;//将能访问新文件的网址回传给前端
        }


        ///<summary> 
        /// 生成缩略图 
        /// </summary> 
        /// <param name="originalImagePath">源图路径（物理路径）</param> 
        /// <param name="thumbnailPath">缩略图路径（物理路径）</param> 
        /// <param name="width">缩略图宽度</param> 
        /// <param name="height">缩略图高度</param> 
        /// <param name="mode">生成缩略图的方式</param>     
        public static void MakeThumbnail(string originalImagePath, string thumbnailPath, int width, int height, string mode)
        {
            System.Drawing.Image originalImage = System.Drawing.Image.FromFile(originalImagePath);

            int towidth = width;
            int toheight = height;

            int x = 0;
            int y = 0;
            int ow = originalImage.Width;
            int oh = originalImage.Height;

            switch (mode)
            {
                case "HW"://指定高宽缩放（可能变形）                 
                    break;
                case "W"://指定宽，高按比例                     
                    toheight = originalImage.Height * width / originalImage.Width;
                    break;
                case "H"://指定高，宽按比例 
                    towidth = originalImage.Width * height / originalImage.Height;
                    break;
                case "Cut"://指定高宽裁减（不变形）                 
                    if ((double)originalImage.Width / (double)originalImage.Height > (double)towidth / (double)toheight)
                    {
                        oh = originalImage.Height;
                        ow = originalImage.Height * towidth / toheight;
                        y = 0;
                        x = (originalImage.Width - ow) / 2;
                    }
                    else
                    {
                        ow = originalImage.Width;
                        oh = originalImage.Width * height / towidth;
                        x = 0;
                        y = (originalImage.Height - oh) / 2;
                    }
                    break;
                default:
                    break;
            }

            //新建一个bmp图片 
            System.Drawing.Image bitmap = new System.Drawing.Bitmap(towidth, toheight);

            //新建一个画板 
            Graphics g = System.Drawing.Graphics.FromImage(bitmap);

            //设置高质量插值法 
            g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;

            //设置高质量,低速度呈现平滑程度 
            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;

            //清空画布并以透明背景色填充 
            g.Clear(Color.Transparent);

            //在指定位置并且按指定大小绘制原图片的指定部分 
            g.DrawImage(originalImage, new Rectangle(0, 0, towidth, toheight),
             new Rectangle(x, y, ow, oh),
             GraphicsUnit.Pixel);

            try
            {
                //以jpg格式保存缩略图 
                bitmap.Save(thumbnailPath, System.Drawing.Imaging.ImageFormat.Jpeg);
                //outthumbnailPath = thumbnailPath;
            }
            catch (System.Exception e)
            {
                throw e;
            }
            finally
            {
                originalImage.Dispose();
                bitmap.Dispose();
                g.Dispose();
            }

        }
    }
}

